Adjective
Producing electro-motion; producing, or tending to produce, electricity or an electric current; causing electrical action or effects.
Source: Webster's dictionaryMost medium-speed engines produced are four-stroke machines, however there are some two-stroke medium-speed engines such as by EMD ( Electro-Motive Diesel ), and the Fairbanks Morse OP ( Opposed-piston engine ) type. Source: Internet
In the case of Electro-Motive Diesel 's two-stroke engines, the mechanically assisted turbocharger is not specifically a twincharger, as the engine uses the mechanical assistance to charge air only at lower engine speeds and startup. Source: Internet